/* Modern Design System */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800;900&display=swap');

:root {
  --electric-cyan: #00FFFF;
  --vibrant-magenta: #FF00FF;
  --primary-black: #000000;
  --primary: #00FFFF;
  --primary-dark: #00CCCC;
  --primary-light: #66FFFF;
  --secondary: #64748b;
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --dark: #0f172a;
  --light: #f8fafc;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --border-radius: 12px;
  --border-radius-sm: 8px;
  --border-radius-lg: 16px;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --neon-glow: 0 0 20px rgba(0, 255, 255, 0.6), 0 0 40px rgba(255, 0, 255, 0.4);
  --neon-glow-strong: 0 0 30px rgba(0, 255, 255, 0.8), 0 0 60px rgba(255, 0, 255, 0.6);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--gray-900);
  background-color: #ffffff;
  margin: 0;
  padding: 0;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: #1e293b;
  letter-spacing: -0.02em;
}

h1 { font-size: 3rem; font-weight: 800; }
h2 { font-size: 2.25rem; font-weight: 700; }
h3 { font-size: 1.875rem; font-weight: 700; }
h4 { font-size: 1.5rem; font-weight: 600; }
h5 { font-size: 1.25rem; font-weight: 600; }
h6 { font-size: 1rem; font-weight: 600; }

p {
  margin-bottom: 1rem;
  line-height: 1.7;
  color: var(--gray-700);
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: all 0.2s ease;
}

a:hover {
  color: var(--primary-dark);
}

/* Buttons */
.btn, button[type="submit"], input[type="submit"] {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.5;
  text-align: center;
  border: none;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: 'Montserrat', sans-serif;
}

.btn-primary {
  background: #0ea5e9;
  color: white;
  box-shadow: 0 4px 6px rgba(14, 165, 233, 0.3);
  border: none;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 8px rgba(14, 165, 233, 0.4);
}

.btn-secondary {
  background: var(--gray-200);
  color: var(--gray-800);
}

.btn-secondary:hover {
  background: var(--gray-300);
}

/* Forms */
.form-control, input[type="text"], input[type="email"], input[type="password"], 
input[type="number"], textarea, select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  font-family: 'Montserrat', sans-serif;
  line-height: 1.5;
  color: var(--gray-900);
  background-color: white;
  border: 1px solid var(--gray-300);
  border-radius: var(--border-radius-sm);
  transition: all 0.2s ease;
}

.form-control:focus, input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--electric-cyan);
  box-shadow: 0 0 0 3px rgba(0, 255, 255, 0.2), 0 0 20px rgba(255, 0, 255, 0.1);
}

.form-label, label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-700);
}

/* Cards */
.card {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  border: 1px solid var(--gray-200);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

/* Navigation */
nav {
  background: white;
  border-bottom: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
}

nav a {
  font-weight: 500;
  color: var(--gray-700);
  padding: 0.75rem 1rem;
  transition: all 0.2s ease;
}

nav a:hover {
  color: #0ea5e9;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5rem;
}

th {
  background: var(--gray-50);
  padding: 0.75rem 1rem;
  text-align: left;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--gray-700);
  border-bottom: 2px solid var(--gray-200);
}

td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--gray-200);
  color: var(--gray-700);
}

tr:hover {
  background: var(--gray-50);
}

/* Alerts */
.alert {
  padding: 1rem 1.25rem;
  border-radius: var(--border-radius-sm);
  margin-bottom: 1rem;
  border-left: 4px solid;
}

.alert-success {
  background: #d1fae5;
  color: #065f46;
  border-color: var(--success);
}

.alert-danger {
  background: #fee2e2;
  color: #991b1b;
  border-color: var(--danger);
}

.alert-warning {
  background: #fef3c7;
  color: #92400e;
  border-color: var(--warning);
}

.alert-info {
  background: #dbeafe;
  color: #1e40af;
  border-color: var(--primary);
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }
.p-5 { padding: 3rem; }

/* Dark Background Text Fix */
.bg-gradient-to-br.from-gray-900 h1,
.bg-gradient-to-br.from-gray-900 h2,
.bg-gradient-to-br.from-gray-900 h3,
.bg-gradient-to-br.from-gray-900 h4,
.bg-gradient-to-br.from-gray-900 h5,
.bg-gradient-to-br.from-gray-900 h6,
.bg-black h1,
.bg-black h2,
.bg-black h3,
.bg-black h4,
.bg-black h5,
.bg-black h6,
.text-white h1,
.text-white h2,
.text-white h3 {
  color: white !important;
}

.bg-gradient-to-br.from-gray-900 p,
.bg-black p {
  color: #d1d5db !important;
}

/* Responsive */
@media (max-width: 768px) {
  html { font-size: 14px; }
  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.5rem; }
}

/* Legacy Bootstrap Compatibility */
.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, 
.form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-floating > .form-control-plaintext::placeholder, 
.form-floating > .form-control::placeholder {
  color: var(--gray-400);
}

.form-floating > .form-control-plaintext:focus::placeholder, 
.form-floating > .form-control:focus::placeholder {
  color: var(--gray-500);
}